Bioequivalence Study of Fixed-dose Combinations and Coadministered Individual Tablets of Saxagliptin/Metformin-Brazil

Phase 1

Completed

Conditions: Type 2 Diabetes Mellitus

Interventions: Drug: Saxagliptin
Drug: Saxagliptin/metformin fixed-dose combination (FDC)
Drug: Saxagliptin/Metformin FDC
Drug: Metformin extended-release (XR)
Drug: Metformin

Registration Number: NCT01365091

Lead Sponsor: AstraZeneca

Brief Summary: To demonstrate the bioequivalence of saxagliptin and metformin in a saxagliptin, 5-mg/metformin extended-release (XR), 500-mg, fixed-dose combination (FDC) tablet with saxagliptin, 5-mg and metformin, 500-mg XR tablets administered together in both the fasted and fed states. In addition, to demonstrate the bioequivalence of saxagliptin and metformin in a saxagliptin, 5-mg/metformin XR, 1000-mg, FDC tablet with saxagliptin, 5-mg and metformin, 1000-mg XR tablets administered together in both the fasted and fed states.

Detailed Description: Not available

Recruitment & Eligibility

Status: COMPLETED

Sex: All

Target Recruitment: 112

Inclusion Criteria

Healthy men and women
women of childbearing potential who are using acceptable method of contraception
Women who are not pregnant or nursing
Body Mass Index (BMI) of 18 to 29.9 kg/m^2, inclusive. BMI=weight(kg)/height(m)^2.

Key

Exclusion Criteria

Any significant acute or chronic medical illness.
History of gastrointestinal (GI) disease
Major surgery within 4 weeks of study drug administration
Any GI surgery that could impact study drug absorption
Donation of blood or plasma to a blood bank or in a clinical study (except a screening visit) within the 6 months of study drug administration.
Blood transfusion within 3 months of study drug administration for women and within 2 months for men
Inability to be venipunctured and/or tolerate venous access
Current smoker or recent (within 1 month) history of regular tobacco use
Recent (within 6 months of study drug administration) drug or alcohol abuse
Participation in a bioequivalence study within the last 6 months of study drug administration
Estimated creatinine clearance of <80 mL/min using Cockcroft-Gault formula
History of allergy to drug class or related compounds
History of allergy to metformin or other similar acting agents
History of any significant drug allergy

Study & Design

Study Type: INTERVENTIONAL

Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Arm 1: Treatments A,B/B,A	Metformin extended-release (XR)	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC) in the fasted state (Treatment A), followed by a washout period of at least 7 days. Then, participants received single oral doses of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg, tablets together in the fasted state (Treatment B). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5-mg and metformin XR, 500-mg tablets together in the fasted state (Treatment B), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fasted state (Treatment A).
Arm 3: Treatments E, F/F,E	Saxagliptin	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fasted state (Treatment E), followed by a washout period of at least 7 days. Participants received single oral doses of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fasted state (Treatment F). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5- mg and metformin XR, 1000-mg tablets together in the fasted state (Treatment F), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fasted state (Treatment E).
Arm 4: Treatments G,H/H,G	Saxagliptin/Metformin FDC	Period 1: Participants received a single oral dose of saxagliptin , 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fed state (Treatment G), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fed state (Treatment H). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metformin XR, 1000-mg tablets together in the fed state (Treatment H), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fed state (Treatment G).
Arm 1: Treatments A,B/B,A	Saxagliptin/metformin fixed-dose combination (FDC)	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC) in the fasted state (Treatment A), followed by a washout period of at least 7 days. Then, participants received single oral doses of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg, tablets together in the fasted state (Treatment B). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5-mg and metformin XR, 500-mg tablets together in the fasted state (Treatment B), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fasted state (Treatment A).
Arm 2: Treatments C,D/D,C	Metformin extended-release (XR)	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC), in the fed state (Treatment C), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg tablets together in the fed state (Treatment D). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metforminXR, 500-mg tablets together in the fed state (Treatment D), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fed state (Treatment C).
Arm 3: Treatments E, F/F,E	Saxagliptin/Metformin FDC	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fasted state (Treatment E), followed by a washout period of at least 7 days. Participants received single oral doses of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fasted state (Treatment F). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5- mg and metformin XR, 1000-mg tablets together in the fasted state (Treatment F), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fasted state (Treatment E).
Arm 2: Treatments C,D/D,C	Saxagliptin/metformin fixed-dose combination (FDC)	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC), in the fed state (Treatment C), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg tablets together in the fed state (Treatment D). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metforminXR, 500-mg tablets together in the fed state (Treatment D), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fed state (Treatment C).
Arm 1: Treatments A,B/B,A	Saxagliptin	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC) in the fasted state (Treatment A), followed by a washout period of at least 7 days. Then, participants received single oral doses of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg, tablets together in the fasted state (Treatment B). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5-mg and metformin XR, 500-mg tablets together in the fasted state (Treatment B), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fasted state (Treatment A).
Arm 2: Treatments C,D/D,C	Saxagliptin	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg fixed-dose combination (FDC), in the fed state (Treatment C), followed by a washout period of at least 7 days. Then, participants received a single oral dose of saxagliptin, 5-mg, and metformin extended-release (XR), 500-mg tablets together in the fed state (Treatment D). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metforminXR, 500-mg tablets together in the fed state (Treatment D), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 500 mg FDC, in the fed state (Treatment C).
Arm 3: Treatments E, F/F,E	Metformin	Period 1: Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fasted state (Treatment E), followed by a washout period of at least 7 days. Participants received single oral doses of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fasted state (Treatment F). Followed by a washout period of at least 4 days. Period 2: Participants received single oral doses of saxagliptin, 5- mg and metformin XR, 1000-mg tablets together in the fasted state (Treatment F), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fasted state (Treatment E).
Arm 4: Treatments G,H/H,G	Saxagliptin	Period 1: Participants received a single oral dose of saxagliptin , 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fed state (Treatment G), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fed state (Treatment H). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metformin XR, 1000-mg tablets together in the fed state (Treatment H), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fed state (Treatment G).
Arm 4: Treatments G,H/H,G	Metformin	Period 1: Participants received a single oral dose of saxagliptin , 5 mg/metformin, 1000 mg fixed-dose combination (FDC), in the fed state (Treatment G), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5-mg and metformin extended-release (XR), 1000-mg tablets together in the fed state (Treatment H). Followed by a washout period of at least 4 days. Period 2: Participants received a single oral dose of saxagliptin, 5-mg and metformin XR, 1000-mg tablets together in the fed state (Treatment H), followed by a washout period of at least 7 days. Participants received a single oral dose of saxagliptin, 5 mg/metformin, 1000 mg FDC, in the fed state (Treatment G).

Primary Outcome Measures

Name	Time	Method
Maximum Observed Concentrations (Cmax) of Metformin, Saxagliptin, and 5-Hydroxy (5-OH) Saxagliptin as a Fixed-dose Combination (FDC) and as Individual Tablets	Days 1, 2, and 3 of Periods 1 and 2
AUC From Time 0 to Time of the Last Quantifiable Concentration (AUC[0-T])of Metformin, Saxagliptin, and 5-Hydroxy (5-OH) Saxagliptin as a Fixed-dose Combination (FDC) and as Individual Tablets	Days 1, 2, and 3 of Periods 1 and 2	AUC=Area under the concentration-time curve
AUC From Time 0 Extrapolated to Infinite Time (AUC[0-inf]) for Metformin, Saxagliptin, and 5-Hydroxy (5-OH) Saxagliptin as a Fixed-dose Combination (FDC) and as Individual Tablets	Days 1, 2, and 3 of Periods 1 and 2	AUC=Area Under the Concentration-time Curve

Secondary Outcome Measures

Name	Time	Method
Number of Participants With Death as Outcome and Serious Adverse Events (SAEs)	Continuously, from screening through Day 1 to within 30 days of drug discontinuation on Day 1	SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization.